joining us is tom jellnick with target web solutions. >> good morning. >> amy: how important is to to clear out computers and cellphones for things that are not necessary. >> it's so important. a lot of us are complacent. you use the devices all day long and don't think about it. but you have to get it into your mindset that you have to perform some chores and maintain and keep them squeaky clean. >> amy: what is it not good to have around? expwr any software you i see tons of people do this. this causes majority of problems. remember the stick figure guy? that's a wolf in sheep's clothing. people are clicking that. and they're giving that stick figure company or whatever it is that is developing developing it permission to access all of their stuff. so you really have to read the privacy policies and agreements before you click the install button. >> amy: is there a way to block some of the sites from getting your personal information? maybe ones you are not wanting to give your info to? >> the best rule of thumb, amy. if it's free, stay away from it. a people generator -- meme gener